National Farmer's Bank of Owatonna
				
				
					Owatonna, MN, USA
				
				
				
				
				
				
				
				
				
				About
				
					National Farmer's Bank of Owatonna. Built in 1908 and designed by Louis Sullivan, this bank is a premier piece of the Prairie School of architecture. It is now operated as a branch of Wells Fargo.